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Nutrition Research and Practice

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https://www.readbyqxmd.com/read/28765782/erratum-antioxidant-mechanism-of-black-garlic-extract-involving-nuclear-factor-erythroid-2-like-factor-2-pathway
#1
Ae Wha Ha, Woo Kyoung Kim
[This corrects the article on p. 206 in vol. 11, PMID: 28584577.].
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765781/factors-affecting-vegetable-preference-in-adolescents-stages-of-change-and-social-cognitive-theory
#2
Taejung Woo, Kyung-Hea Lee
BACKGROUND/OBJECTIVES: Despite the importance of consuming sufficient amounts of vegetables, daily vegetable intake among adolescents in Korea is lower than the current dietary recommendation. The objective of this study was to examine determinants affecting vegetable preference in order to suggest a stage-tailored education strategy that can promote vegetable consumption in adolescents. SUBJECTS/METHODS: Adolescents (n = 400, aged 16-17 years) from two high schools participated in a cross-sectional study...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765780/associations-of-alcohol-consumption-and-alcohol-flush-reaction-with-leukocyte-telomere-length-in-korean-adults
#3
Hyewon Wang, Hyungjo Kim, Inkyung Baik
BACKGROUND/OBJECTIVES: Telomere length is a useful biomarker for determining general aging status. Some studies have reported an association between alcohol consumption and telomere length in a general population; however, it is unclear whether the alcohol flush reaction, which is an alcohol-related trait predominantly due to acetaldehyde dehydrogenase deficiency, is associated with telomere length. This cross-sectional study aimed to evaluate the associations of alcohol consumption and alcohol flush reaction with leukocyte telomere length (LTL)...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765779/effects-of-folic-acid-supplementation-on-serum-homocysteine-levels-lipid-profiles-and-vascular-parameters-in-post-menopausal-korean-women-with-type-2-diabetes-mellitus
#4
Aswathy Vijayakumar, Eun-Kyung Kim, Hyesook Kim, Young Ju Choi, Kap Bum Huh, Namsoo Chang
BACKGROUND/OBJECTIVES: Complications of diabetes, such as cardiovascular disease, are associated with increased mortality among type 2 diabetes mellitus patients. Homocysteine has been recently identified as a predictor of cardiovascular disease-related complications in diabetes. We investigated whether or not supplementation with folic acid tablets can lower homocysteine levels and improve parameters related with vascular complications. SUBJECTS/METHODS: We conducted a non-randomized 8-week trial involving postmenopausal diabetic women (n = 25) supplemented with 800 µg of folic acid (400 µg twice a day) daily...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765778/a-randomized-controlled-trial-of-an-individualized-nutrition-counseling-program-matched-with-a-transtheoretical-model-for-overweight-and-obese-females-in-thailand
#5
Sasipha Karintrakul, Jongjit Angkatavanich
BACKGROUND/OBJECTIVE: Effective weight reduction remains a challenge throughout the world as the prevalence of obesity and its consequences are increasing. This study aimed to determine the effects of an individualized nutrition counseling program (IC) matched with a transtheoretical model (TTM) for overweight and obese subjects. SUBJECTS/METHODS: Fifty overweight and obese subjects aged 19-60 years with a body mass index ≥ 23 kg/m(2) were enrolled in the weight reduction study...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765777/changes-in-body-weight-and-food-security-of-adult-north-korean-refugees-living-in-south-korea
#6
HaYoung Jeong, Soo-Kyung Lee, Sin-Gon Kim
BACKGROUND/OBJECTIVES: Relocation to new environments can have a negative impact on health by altering body weight and dietary patterns. This study attempted to elucidate changes in body weight, food security, and their current food and nutrient consumption in adult North Korean refugees (NKR) living in South Korea (SK). SUBJECTS/METHODS: This study analyzed data on 149 adult NKR from a North Korean refugee health in SK cohort at four time points (leaving North Korea, entering SK, first examination, and second examination)...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765776/validation-of-dietary-reference-intake-equations-for-estimating-energy-requirements-in-korean-adults-by-using-the-doubly-labeled-water-method
#7
Eun-Kyung Kim, Jae-Hee Kim, Myung-Hee Kim, Didace Ndahimana, Seo-Eun Yean, Jin-Sook Yoon, Jung-Hyun Kim, Jonghoon Park, Kazuko Ishikawa-Takata
BACKGROUND/OBJECTIVES: The doubly labeled water (DLW) method is considered the gold standard for the measurement of total energy expenditure (TEE), which serves to estimate energy requirements. This study evaluated the accuracy of predictive dietary reference intake (DRI) equations for determining the estimated energy requirements (EER) of Korean adults by using the DLW as a reference method. SUBJECTS/METHODS: Seventy-one participants (35 men and 36 women) aged between 20 and 49 years were included in the study...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765775/monocyte-chemoattractant-protein-1-polymorphism-interaction-with-spirulina-immunomodulatory-effects-in-healthy-korean-elderly-a-16-week-double-blind-randomized-clinical-trial
#8
Hee Jung Park, Hyun Sook Lee
BACKGROUND/OBJECTIVES: Spirulina is a known a functional food related to lipid profiles, immune functions, and antioxidant capacity. Circulating monocyte chemoattractant protein-1 (MCP-1) level is associated with inflammation markers. Single nucleotide polymorphism in the MCP-1 promoter region -2518 have been identified and shown to affect gene transcription. Gene variation may also impact functional food supplementary effects. The current study investigated the interaction of MCP-1 -2518 polymorphism with spirulina supplements on anti-inflammatory capacity in Korean elderly...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765774/increase-in-dietary-protein-content-exacerbates-colonic-inflammation-and-tumorigenesis-in-azoxymethane-induced-mouse-colon-carcinogenesis
#9
Ka-Hee Tak, Eunyeong Ahn, Eunjung Kim
BACKGROUND/OBJECTIVE: The incidence of colorectal cancer (CRC) has been attributed to higher intake of fat and protein. However, reports on the relationship between protein intake and CRC are inconsistent, possibly due to the complexity of diet composition. In this study, we addressed a question whether alteration of protein intake is independently associated with colonic inflammation and colon carcinogenesis. MATERIALS/METHODS: Balb/c mice were randomly divided into 4 experimental groups: 20% protein (control, 20P, 20% casein/kg diet), 10% protein (10P, 10% casein/kg diet), 30% protein (30P, 30% casein/kg diet), and 50% protein (50P, 50% casein/kg diet) diet groups and were subjected to azoxymethane-dextran sodium sulfate induced colon carcinogenesis...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765773/astaxanthin-induces-migration-in-human-skin-keratinocytes-via-rac1-activation-and-rhoa-inhibition
#10
Dakanda Ritto, Supita Tanasawet, Sawana Singkhorn, Wanwimol Klaypradit, Pilaiwanwadee Hutamekalin, Varomyalin Tipmanee, Wanida Sukketsiri
BACKGROUND/OBJECTIVES: Re-epithelialization has an important role in skin wound healing. Astaxanthin (ASX), a carotenoid found in crustaceans including shrimp, crab, and salmon, has been widely used for skin protection. Therefore, we investigated the effects of ASX on proliferation and migration of human skin keratinocyte cells and explored the mechanism associated with that migration. MATERIAL/METHOD: HaCaT keratinocyte cells were exposed to 0.25-1 µg/mL of ASX...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28765772/anti-inflammatory-effects-of-nelumbo-leaf-extracts-and-identification-of-their-metabolites
#11
Eunkyo Park, Gyoung Deuck Kim, Min-Sun Go, Dodan Kwon, In-Kyung Jung, Joong Hyuck Auh, Jung-Hyun Kim
BACKGROUND/OBJECTIVES: Nelumbo leaves have been used in traditional medicine to treat bleeding, gastritis, hemorrhoids, and halitosis. However, their mechanisms have not been elucidated. MATERIALS/METHODS: The present study prepared two Nelumbo leaf extracts (NLEs) using water or 50% ethanol. Inflammatory response was induced with LPS treatment, and expression of pro-inflammatory mediators (inducible nitric oxide synthase, cyclooxygenase-2, tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, and IL-6 and nitric oxide (NO) and prostaglandin E2 (PGE2) productions were assessed...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584582/development-of-tailored-nutrition-information-messages-based-on-the-transtheoretical-model-for-smartphone-application-of-an-obesity-prevention-and-management-program-for-elementary-school-students
#12
Ji Eun Lee, Da Eun Lee, Kirang Kim, Jae Eun Shim, Eunju Sung, Jae-Heon Kang, Ji-Yun Hwang
BACKGROUND/OBJECTIVES: Easy access to intervention and support for certain behaviors is important for obesity prevention and management. The available technology such as smartphone applications can be used for intervention regarding healthy food choices for obesity prevention and management in elementary-school students. The transtheoretical model (TTM) is comprised of stages and processes of change and can be adopted to tailored education for behavioral change. This study aims to develop TTM-based nutrition contents for mobile applications intended to change eating behaviors related to weight gain in young children...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584581/preconceptional-use-of-folic-acid-and-knowledge-about-folic-acid-among-low-income-pregnant-women-in-korea
#13
Jihyun Kim, Miyong Yon, Cho-Il Kim, Yoonna Lee, Gui-Im Moon, Jinhwan Hong, Taisun Hyun
BACKGROUND/OBJECTIVES: Folic acid supplementation before pregnancy is known to significantly reduce the risk of having a baby with neural tube defects (NTDs). Therefore, it is important for women to be aware of the effects of folic acid supplementation before pregnancy. The purpose of this study was to investigate the awareness and preconceptional use of folic acid and to assess the current knowledge about folic acid among low-income pregnant women in Korea. SUBJECTS/METHODS: A questionnaire survey was conducted in 2012...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584580/instant-noodle-consumption-is-associated-with-cardiometabolic-risk-factors-among-college-students-in-seoul
#14
In Sil Huh, Hyesook Kim, Hee Kyung Jo, Chun Soo Lim, Jong Seung Kim, Soo Jin Kim, Oran Kwon, Bumjo Oh, Namsoo Chang
BACKGROUND/OBJECTIVES: Increased consumption of instant noodles has recently been reported to be positively associated with obesity and cardiometabolic syndrome in South Korea, which has the highest per capita instant noodle consumption worldwide. This study aimed to investigate the association between instant noodle consumption and cardiometabolic risk factors among college students in Seoul. SUBJECTS/METHODS: The study subjects consisted of 3,397 college students (1,782 male; 1,615 female) aged 18-29 years who participated in a health checkup...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584579/effect-of-soy-isoflavones-supplement-on-climacteric-symptoms-bone-biomarkers-and-quality-of-life-in-korean-postmenopausal-women-a-randomized-clinical-trial
#15
Hansongyi Lee, Ryowon Choue, Hyunjung Lim
BACKGROUND/OBJECTIVES: Soy isoflavones are expected to improve menopausal symptoms and osteoporosis in women. However, their efficacy is still inconclusive, and there was limited data for postmenopausal women in South Korea. We examined the effects of soy isoflavones on climacteric symptoms, bone biomarkers, and quality of life in Korean postmenopausal women. SUBJECTS/METHODS: A randomized, double-blind study design was used. Eighty-seven participants who had undergone natural menopause were randomly administered either 70 mg/day isoflavones (n = 43) or placebo (n = 41) for 12 weeks...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584578/lymphocyte-dna-damage-and-plasma-antioxidant-status-in-korean-subclinical-hypertensive-patients-by-glutathione-s-transferase-polymorphism
#16
Jeong-Hwa Han, Hye-Jin Lee, Hee Jeong Choi, Kyung Eun Yun, Myung-Hee Kang
BACKGROUND/OBJECTIVES: Glutathione S-transferase (GST) forms a multigene family of phase II detoxification enzymes which are involved in the detoxification of xenobiotics by conjugating substances with glutathione. The aim of this study is to assess the antioxidative status and the degree of DNA damage in the subclinical hypertensive patients in Korea using glutathione S-transferase polymorphisms. SUBJECTS/METHODS: We examined whether DNA damage and antioxidative status show a difference between GSTM1 or GSTT1 genotype in 227 newly diagnosed, untreated (systolic blood pressure (BP) ≥ 130 mmHg or diastolic BP ≥ 85 mmHg) subclinical hypertensive patients and 130 normotensive subjects (systolic BP < 120 mmHg and diastolic BP < 80 mmHg)...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584577/antioxidant-mechanism-of-black-garlic-extract-involving-nuclear-factor-erythroid-2-like-factor-2-pathway
#17
Ae Wha Ha, Woo Kyoung Kim
BACKGROUN/OBJECTIVES: Although studies have revealed that black garlic is a potent antioxidant, its antioxidant mechanism remains unclear. The objective of this study was to determine black garlic's antioxidant activities and possible antioxidant mechanisms related to nuclear factor erythroid 2-like factor 2 (Nrf2)-Keap1 complex. METHODS/MATERIALS: After four weeks of feeding rats with a normal fat diet (NF), a high-fat diet (HF), a high-fat diet with 0.5% black garlic extract (HF+BGE 0...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584576/pear-pomace-ethanol-extract-improves-insulin-resistance-through-enhancement-of-insulin-signaling-pathway-without-lipid-accumulation
#18
Mi-Kyoung You, Hwa-Jin Kim, Jin Rhyu, Hyeon-A Kim
BACKGROUND/OBJECTIVES: The anti-diabetic activity of pear through inhibition of α-glucosidase has been demonstrated. However, little has been reported about the effect of pear on insulin signaling pathway in obesity. The aims of this study are to establish pear pomace 50% ethanol extract (PPE)-induced improvement of insulin sensitivity and characterize its action mechanism in 3T3-L1 cells and high-fat diet (HFD)-fed C57BL/6 mice. MATERIALS/METHODS: Lipid accumulation, monocyte chemoattractant protein-1 (MCP-1) secretion and glucose uptake were measure in 3T3-L1 cells...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584575/melanin-extract-from-gallus-gallus-domesticus-promotes-proliferation-and-differentiation-of-osteoblastic-mg-63-cells-via-bone-morphogenetic-protein-2-signaling
#19
Han-Seok Yoo, Kang-Hyun Chung, Kwon-Jai Lee, Dong-Hee Kim, Jeung Hee An
BACKGROUND/OBJECTIVES: Gallus gallus domesticus (GD) is a natural mutant breed of chicken in Korea with an atypical characterization of melanin in its tissue. This study investigated the effects of melanin extracts of GD on osteoblast differentiation and inhibition of osteoclast formation. MATERIALS/METHODS: The effects of the melanin extract of GD on human osteoblast MG-63 cell differentiation were examined by evaluating cell viability, osteoblast differentiation, and expression of osteoblast-specific transcription factors such as bone morphogenetic protein 2 (BMP-2), small mothers against decapentaplegic homologs 5 (SMAD5), runt-related transcription factor 2 (RUNX2), osteocalcin and type 1 collagen (COL-1) by reverse transcription-polymerase chain reaction and western blotting analysis...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28584574/increased-glucose-metabolism-and-alpha-glucosidase-inhibition-in-cordyceps-militaris-water-extract-treated-hepg2-cells
#20
Dae Jung Kim, Yun Hwan Kang, Kyoung Kon Kim, Tae Woo Kim, Jae Bong Park, Myeon Choe
BACKGROUND/OBJECTIVES: Recent living condition improvements, changes in dietary habits, and reductions in physical activity are contributing to an increase in metabolic syndrome symptoms including diabetes and obesity. Through such societal developments, humankind is continuously exposed to metabolic diseases such as diabetes, and the number of the victims is increasing. This study investigated Cordyceps militaris water extract (CMW)-induced glucose uptake in HepG2 cells and the effect of CMW treatment on glucose metabolism...
June 2017: Nutrition Research and Practice
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